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BMW 640 Cabriolet (petrol) • 4 cars with Valuation

Market overview: Petrol BMW 640 Cabriolet (August-2026): There are currently 4 used petrol BMW 640 Cabriolet cars for sale. Prices range from £10,597 to £14,531, with a median price of £12,245. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a petrol BMW 640 Cabriolet is approximately 38 days, and 0.0% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Used BMW 428 M Sport 245 HP (180 kW) 2015 Blue Coupe

(2015) BMW 428 M Sport 245 HP

Fair price

Estimated price £10,007

NR14 6JD Loddon, Norfolk

149 g CO2/km comb. - 245 HP (180 kW) - 6.4 Mpg

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Used BMW Z4 M Sport 184 HP (135 kW) 2015 Cabriolet

(2015) BMW Z4 M Sport 184 HP

Super price

You save £2,378

159 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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Used BMW Z4 M Sport 184 HP (135 kW) 2015 Black Cabriolet

(2015) BMW Z4 M Sport 184 HP

Fair price

EH25 9SH Bilston, Midlothian

159 g CO2/km comb. - 184 HP (135 kW) - 41.0 Mpg

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Used BMW Z4 M Sport 184 HP (135 kW) 2013 Black Cabriolet

(2013) BMW Z4 M Sport 184 HP

Good price

You save £1,078

BL8 2AL Greater Manchester, Manchester

159 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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Used (2011) BMW 640 Cabriolet Comfort Edition | Fair price

6 Series SE 2dr Auto

2011
49,500 miles
Trim level: Comfort Edition
3.0L Petrol
Cabriolet
Automatic
Details

Fair price

£12,495

Motors.co.uk

BS24 9BA North Somerset, Somerset

1 / 4

Used (2011) BMW 640 Cabriolet Performance 320 HP | Rare vehicle

6 Series 3.0 SE Convertible

2011
77,700 miles
Trim level: Performance
3.0L Petrol
Cabriolet
Automatic
320 HP (235 kW)
Details

£10,350

Rare vehicle

Motors.co.uk

CV6 5EZ West Midlands, West Midlands

1 / 4

Used (2012) BMW 640 Cabriolet M Sport 320 HP | Rare vehicle

6 Series 3.0 M Sport Convertible

2012
50,000 miles
Trim level: M Sport
3.0L Petrol
Cabriolet
Automatic
320 HP (235 kW)
Details

£14,890

Rare vehicle

Motors.co.uk

AL7 4SN Hertfordshire, Hertfordshire

1 / 4

Used (2012) BMW 640 Cabriolet M Sport 320 HP | Rare vehicle

6 Series 3.0 M Sport Convertible

2012
75,673 miles
Trim level: M Sport
3.0L Petrol
Cabriolet
Automatic
320 HP (235 kW)
Details

£11,995

Rare vehicle

Exchange and Mart

Stirling, Stirling And Falkirk

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Used Audi S5 333 HP (244 kW) 2015 Coupe

(2015) Audi S5 333 HP

Fair price

184 g CO2/km comb. - 333 HP (244 kW) - 7.8 Mpg

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Used Audi S5 Black Edition 333 HP (244 kW) 2016 Grey Coupe

(2016) Audi S5 Black Edition 333 HP

Fair price

Estimated price £13,612

CV7 9FU Exhall, Warwickshire

184 g CO2/km comb. - 333 HP (244 kW) - 7.8 Mpg

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Used Audi S5 Business 354 HP (260 kW) 2017 Blue Coupe

(2017) Audi S5 Business 354 HP

Fair price

Estimated price £18,848

SL0 Buckinghamshire, Buckinghamshire

174 g CO2/km comb. - 354 HP (260 kW) - 7.7 Mpg

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Used Audi S5 Black Edition 333 HP (244 kW) 2013 Grey Coupe

(2013) Audi S5 Black Edition 333 HP

Fair price

Estimated price £9,368

NE12 9SW Longbenton, Tyne And Wear

184 g CO2/km comb. - 333 HP (244 kW) - 7.8 Mpg

Showing 1 - 4 of 4 results

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